Ursodeoxycholic acid is a naturally occurring bile acid that can be used as a medication. It is prescribed primarily to dissolve gallstones in patients who are not suitable candidates for surgery. The drug works by reducing the synthesis of cholesterol and promoting bile flow through the liver. By interacting with intestinal membranes it decreases the intestinal absorption of cholesterol and aids in the solubilization of gallstones. These actions together lead to gradual dissolution of cholesterol-containing gallstones and normalization of bile composition. Ursodeoxycholic acid also exerts anti-inflammatory effects on hepatocytes that contribute to improved liver function.

Ursodeoxycholic acid is a synthetic bile acid that occurs naturally in the liver. It is used clinically as a lipid-lowering and hepatoprotective medication. The drug acts by reducing the intestinal absorption of cholesterol and by promoting the flow of bile. By improving bile composition, it facilitates the dissolution of gallstones formed from cholesterol. Its pharmacological profile includes anti-inflammatory effects on hepatocytes and modulation of nuclear receptors involved in lipid metabolism. Activation of the farnesoid x receptor by the acid alters gene expression to limit cholesterol synthesis. The altered bile composition also decreases hepatic inflammation and protects liver cell membranes from toxic injury. Together these actions enable the medication to lower blood lipids and support liver health without targeting microbial ecosystems.

Headache is frequently reported after treatment. Some individuals experience temporary dizziness that resolves quickly. Fatigue often occurs and usually lasts a short period. Mild nausea may be observed in certain cases. Slight swelling at the injection location is common but typically mild. Tingling sensation can appear transiently after the procedure.

The most common side effects include mild headache feeling of warmth and occasional nausea. Some people also report temporary fatigue or a slight decrease in blood pressure. These effects are generally short-lived and often resolve on their own. The likelihood of experiencing them varies with dosage and individual sensitivity. Most users describe the sensations as mild and not disruptive to daily activities. Understanding these typical reactions helps set realistic expectations for treatment.